Question
Chemistry Question on Chemical Reactions
Reaction of PCl3 and PhMgBr would give
A
bromobenzene
B
chlorobenzene
C
triphenylphosphine
D
dichlorobenzene
Answer
triphenylphosphine
Explanation
Solution
The correct option is(C): triphenylphosphine.
When phosphorus trichloride reacts with phenyl magnesium bromide (Grignard's reagent), all the three chlorine atoms of PCl3 are replaced by phenyl group of phenyl magnesium bromide and triphenyl phosphine is obtained.